import csv
from datetime import datetime
from matplotlib import pyplot as plt
filename = 'sitka_weather_07-2014.csv'
with open(filename) as f:
    reader = csv.reader(f)
    header_row = next(reader)
    # print(header_row)
    # for index, column_header in enumerate(header_row):
    #     print(index, column_header)
    dates, highs, lows = [], [], []
    for row in reader:
        current_date = datetime.strptime(row[0],"%Y-%m-%d")
        dates.append(current_date)
        high = int(row[1])
        highs.append(high)
        low = int(row[3])
        lows.append(low)

    # print(highs)
# 根据数据绘制图形
fig = plt.figure(dpi=128, figsize=(10, 6))
plt.plot(dates, highs, c='red', alpha=0.5)
plt.plot(dates, lows, c='blue', alpha=0.5)
plt.fill_between(dates, highs, lows, facecolor = 'blue', alpha=0.1)
# 设置图形格式
plt.title("asdfasdf", fontsize=24)
plt.xlabel('', fontsize=16)
fig.autofmt_xdate()
plt.ylabel("Tempearture(F)", fontsize=16)
plt.tick_params(axis='both', which='major', labelsize=16)
plt.show()